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CVE-2021-21019

CRITICALCVSS 9.1/10EPSS 3.64%

Last modified

CVE-2021-21019 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to XML injection in the Widgets module. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. EPSS estimates a 3.64% chance of exploitation in the next 30 days.

Description

Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to XML injection in the Widgets module. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.

Metrics

CVSS 3.1
9.1/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS Probability
3.64%

88.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MagentoMagento< 2.3.6
MagentoMagento2.3.6
MagentoMagento2.4.0
MagentoMagento2.4.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-21019?
Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier) and 2.3.6 (and earlier) are vulnerable to XML injection in the Widgets module. Successful exploitation could lead to arbitrary code execution by an authenticated attacker. Access to the admin console is required for successful exploitation.
How severe is CVE-2021-21019?
CVE-2021-21019 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 3.64% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21019?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21019?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST